package Work2;

import java.util.Scanner;
enum Grade {
    A,B,C,D,E;
}
public class Pro6{
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
	while(true){
		int a = in.nextInt(); 
		Grade grade = getGrade(a);
		printGradeInfo(grade);
	}
	}
	public static Grade getGrade(int score){
		if(score >= 90 && score <=100) return Grade.A;
		else if (score >= 80 && score < 90) return Grade.B;
		else if (score >= 70 && score < 80) return Grade.C;
		else if (score >= 60 && score < 70) return Grade.D;
		return Grade.E;
	}
	public static void printGradeInfo(Grade grade){
		switch(grade){
		case A:System.out.println("Excellent");break;
		case B:System.out.println("Good");break;
		case C:System.out.println("Average");break;
		case D:System.out.println("Fair");break;
		case E:System.out.println("Poor");break;
		}
	       System.out.println("class name="+Grade.class);
	       System.out.println("grade value="+grade);
	}
}
